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Rifles, Reloading, Optics, Equipment
Gunsmithing
Lug setback? What am I missing?
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<blockquote data-quote="Opa-lopa" data-source="post: 1821071" data-attributes="member: 108809"><p>Pressure x area = Load; if the case inside diameter is larger, there will be more load on the bolt. That said, for dry case & chamber & brass case, a considerable fraction of the aft thrust is shed to the chamber wall via friction, like nearly half. Lube the case, or get it wet, and the aft thrust the bolt must restrain will about double.</p></blockquote><p></p>
[QUOTE="Opa-lopa, post: 1821071, member: 108809"] Pressure x area = Load; if the case inside diameter is larger, there will be more load on the bolt. That said, for dry case & chamber & brass case, a considerable fraction of the aft thrust is shed to the chamber wall via friction, like nearly half. Lube the case, or get it wet, and the aft thrust the bolt must restrain will about double. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
Lug setback? What am I missing?
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